package four.service;

import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class MyService {
	
	private Lock lock = new ReentrantLock();
	public void testMethod(){
		lock.lock();
		for (int i = 0; i < 5; i++) {
			System.out.println("ThreadName=" + Thread.currentThread().getName()+(" "+(i+1)));
		}
		lock.unlock();
	}
	
}
